vs
7.3Display7.8
3.8Memory & storage2.7
6.1Battery & portability3.3
3.4Features & cooling9.4
Dimensions
Size comparison
ROG Strix G18 G814 RTX 4070 (2024)Key 18 Pro RTX 5090 (2025)
| ROG Strix G18 G814 RTX 4070 (2024) | Key 18 Pro RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 294 mm | 320 mm | −26 mm |
| Width | 399 mm | 402 mm | −3 mm |
| Thickness | 30.8 mm | 30 mm | +0.8 mm |
| Weight | 3 kg | 4 kg | −1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G814 RTX 4070 (2024) better than Key 18 Pro RTX 5090 (2025)?
- SSD (up to)4,096 GB vs 2,000 GB2×
- Weight3 kg vs 3.95 kg+32%
- Max CPU clock5.8 GHz vs 5.4 GHz+7%
- Bluetooth5.3 vs 5+6%
Why is Key 18 Pro RTX 5090 (2025) better than ROG Strix G18 G814 RTX 4070 (2024)?
- Video memory8 GB vs 24 GB3×
- GPU shader cores4,608 vs 10,4962.3×
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- Battery capacity90 Wh vs 98 Wh+9%
- RAM (base)16 GB vs 32 GB2×
- SD card readerNo · ROG Strix G18 G814 RTX 4070 (2024): Yes
- SSD (base)1,024 GB vs 2,000 GB+95%
- Wi-Fi standardWi-Fi 6E vs Wi-Fi 7+8%
- Thickness30.8 mm vs 30 mm+3%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4070 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 140 W | — |
| Video memory | 8 GB | 24 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 4,608 | 10,496 |
| GPU compute (FP32) | 21.8 TFLOPS | — |
| 3DMark Steel Nomad Light | 14,965 | — |
| Processor | ||
| Processor | Core i9-14900HX | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 32 | — |
| Max CPU clock | 5.8 GHz | 5.4 GHz |
| Processor options | Core i9-14900HX | — |
| Geekbench 6 multi-core | 20,163 | — |
| Geekbench 6 single-core | 3,329 | — |
| Cinebench 2024 multi-core | 1,971 | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 3840 × 2160 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 240 Hz | 240 Hz |
| Panel type | IPS | IPS |
| Brightness | 500 nits | 500 nits |
| Response time | 3 ms | — |
| DCI-P3 coverage | 100% | — |
| Pixel density | 168 ppi | — |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | — |
| Advanced Optimus | No | — |
| MUX switch | Yes | — |
| HDR | Yes | — |
| Touchscreen | No | — |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | DDR5 | — |
| RAM speed | 5,600 MHz | — |
| Max. supported RAM | 32 GB | — |
| RAM slots | 2 | — |
| Upgradable RAM | Yes | — |
| SSD (up to) | 4,096 GB | 2,000 GB |
| SSD (base) | 1,024 GB | 2,000 GB |
| M.2 SSD slots | 2 | — |
| SSD interface | PCIe 4.0 x4 | — |
| Battery & power | ||
| Battery capacity | 90 Wh | 98 Wh |
| Power adapter | 330 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 3 kg | 3.95 kg |
| Thickness | 30.8 mm | 30 mm |
| Width | 399 mm | 402 mm |
| Depth | 294 mm | 320 mm |
| Colours | Black | Black |
| Cooling fans | 3 | — |
| Vapor chamber cooling | No | — |
| Liquid metal (CPU) | Yes | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | — |
| USB-A ports | 2 | — |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | — |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | No | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | — |
| Numeric keypad | Yes | — |
| Webcam | 720p | — |
| IR camera (face login) | No | — |
| Fingerprint reader | No | — |
| Audio | ||
| Speakers | 2.2 | 2 speakers |
| Dolby Atmos | Yes | — |
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